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Lindsay Gordon

A stink in Central California over converting cow manure to electricity - latimes.com - 0 views

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    Challenged by strict air-quality rules, dairy farmers face costly changes to generators used to burn methane to produce power. With the intention of using these generators to eliminate methane waste, along with electricity bills, farmers now meet an unexpected consequence- the conversion of methane into electricity produces nitrogen oxides, or NOx. This pollutant exacerbates the state's smog problem. After already spending several hundreds of thousands of dollars on their "dairy digester" systems at the urge of the state, farmers are forced to abide by the state's air quality standards by purchasing expensive additional equipment, or shut down their waste-consuming generators. The San Joaquin Valley Air Pollution Control District's limit of 11 parts per million of NOx for new digester systems works out to equal the emissions of 26 cars for every 1,000 cows, said Frank Mitloehner, an associate professor at UC Davis' department of animal science.
Lindsay Gordon

Methane: the quick fix for global warming? - The Ecologist - 1 views

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    "Its short lifespan and greater potency means tackling methane emissions now could have a dramatic effect on atmospheric greenhouse gas concentrations"
Patrick Thornton

Arctic permafrost leaking methane at record levels, figures show - 0 views

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    Experts say methane emissions from the Arctic have risen by almost one-third in just five years, and that sharply rising temperatures are to blame
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